<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>步骤条</title>
    <link rel="stylesheet" href="./style.css">
</head>
<body>
    <div class="container">
        <div class="progress-container">
            <div id="progress" class="progress"></div>
            <div class="circle active">1</div>
            <div class="circle">2</div>
            <div class="circle">3</div>
            <div class="circle">4</div>
        </div>
        <button type="button" class="prev disabled" id="prev">上一步</button>
        <button type="button" class="next active" id="next">下一步</button>
    </div>
</body>
<script src="./index.js"></script>
</html>